1421321414 has 16 divisors (see below), whose sum is σ = 2278108800. Its totient is φ = 662719104.

The previous prime is 1421321401. The next prime is 1421321417. The reversal of 1421321414 is 4141231241.

It is a self number, because there is not a number n which added to its sum of digits gives 1421321414.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421321417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188054 + ... + 195465.

It is an arithmetic number, because the mean of its divisors is an integer number (142381800).

Almost surely, 2^1421321414 is an apocalyptic number.

1421321414 is a deficient number, since it is larger than the sum of its proper divisors (856787386).

1421321414 is a wasteful number, since it uses less digits than its factorization.

1421321414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383647.

The product of its digits is 768, while the sum is 23.

The square root of 1421321414 is about 37700.4166289976. The cubic root of 1421321414 is about 1124.3394084614.

Adding to 1421321414 its reverse (4141231241), we get a palindrome (5562552655).

The spelling of 1421321414 in words is "one billion, four hundred twenty-one million, three hundred twenty-one thousand, four hundred fourteen".